CK-12 Geometry - Second Edition
http://www.ck12.org Chapter 8. Right Triangle Trigonometry 8.3 Using Similar Right Triangles Learning Objectives Identify simil ...
8.3. Using Similar Right Triangles http://www.ck12.org Solution:Ifm^6 E= 30 ◦, thenm^6 I= 60 ◦andm^6 T RE= 60 ◦.m^6 IRT= 30 ◦bec ...
http://www.ck12.org Chapter 8. Right Triangle Trigonometry Solution:Let’s set up a proportion. shorter leg in 4 SV T shorter leg ...
8.3. Using Similar Right Triangles http://www.ck12.org A practical application of the geometric mean is to find the altitude of ...
http://www.ck12.org Chapter 8. Right Triangle Trigonometry Solution:Use theorem 8-7 to solve forxandy. 20 x = x 35 15 y = y 35 x ...
8.3. Using Similar Right Triangles http://www.ck12.org Write the similarity statement for the three triangles in the diagram. I ...
http://www.ck12.org Chapter 8. Right Triangle Trigonometry 16. 17. 18. 19. Write a proof for Theorem 8-5. Given: 4 ABDwithAC⊥D ...
8.3. Using Similar Right Triangles http://www.ck12.org Mrs. Smith teaches AP Calculus. Between the first and second years she t ...
http://www.ck12.org Chapter 8. Right Triangle Trigonometry Yes, the three angles in an isosceles right triangle are 45◦, 45 ◦,a ...
8.4. Special Right Triangles http://www.ck12.org 8.4 Special Right Triangles Learning Objectives Identify and use the ratios in ...
http://www.ck12.org Chapter 8. Right Triangle Trigonometry Isosceles Right Triangles There are two types of special right triang ...
8.4. Special Right Triangles http://www.ck12.org x^2 +x^2 =h^2 2 x^2 =h^2 x √ 2 =h 45-45-90 Corollary:If a triangle is an isosce ...
http://www.ck12.org Chapter 8. Right Triangle Trigonometry b) Solution:Again, use thex:x:x √ 2 ratio, but in these two we are gi ...
8.4. Special Right Triangles http://www.ck12.org Find the measure of the two angles at the top vertex and the length of the sho ...
http://www.ck12.org Chapter 8. Right Triangle Trigonometry Solution:In part a, we are given the shortest leg and in part b, we a ...
8.4. Special Right Triangles http://www.ck12.org Solution:Think of this trapezoid as a rectangle, between a 45-45-90 triangle an ...
http://www.ck12.org Chapter 8. Right Triangle Trigonometry In a 30-60-90 triangle, if the shorter leg isx, then the longer leg ...
8.4. Special Right Triangles http://www.ck12.org 13. 14. 15. 16. 17. 18. Do the lengths 8 √ 2 , 8 √ 6,and 16 √ 2 make a specia ...
http://www.ck12.org Chapter 8. Right Triangle Trigonometry What is the ratio of the sides of a rectangle if the diagonal divide ...
8.5. Tangent, Sine and Cosine http://www.ck12.org 8.5 Tangent, Sine and Cosine Learning Objectives Use the tangent, sine and co ...
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